200/s(s+2)(s=10) (s=10)是(s+10)吗?
系统稳态误差:Ess=R/(1+Kp) + R/Kv
Kp=s趋于零G(s)的极限=无穷
Kv=s趋于零s*G(s)的极限=10
Ess=R/(1+Kp) + R/Kv =10